/Engine/Source/Runtime/MeshDescription/Public/MeshDescription.h
Return reference to an array of triangle IDs which comprise this polygon
[TArrayView](API\Runtime\Core\Containers\TArrayView)< const [FTriangleID](API\Runtime\MeshDescription\FTriangleID) > GetPolygonTriangles ( const [FPolygonID](API\Runtime\MeshDescription\FPolygonID) PolygonID ) const